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Finding the Fourth Proportional to 222,195.80, 311,696.20 and 222,195.80

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Solution

The fourth proportional to 222,195.80, 311,696.20 and 222,195.80 is: 311,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,195.80 : 311,696.20 = 222,195.80 : x
  2. Step 2: Convert to fraction form
    222,195.80/311,696.20 = 222,195.80/x
  3. Step 3: Cross multiply
    222,195.80x = 311,696.20 × 222,195.80
  4. Step 4: Simplify right side
    222,195.80x = 69,257,586,515.96
  5. Step 5: Solve for x
    x = 69,257,586,515.96/222,195.80
  6. Step 6: Final answer
    x = 311,696.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.